public function active()
 {
     $battery_id = I('battery_id');
     $user_id = I('user_id');
     $m = new \Home\Model\BatteryModel();
     $ret = $m->activeBattery($user_id, $battery_id);
     if ($ret == 1) {
         return $this->myAjaxOkReturn();
     } else {
         return $this->myAjaxErrReturn('激活失败');
     }
 }
 public function GetbatteryBtMac()
 {
     $battery_id = I('battery_id', 0);
     if ($battery_id === 0) {
         $reason = "蓝牙参数错误";
         goto ERR;
     }
     $btr = new \Home\Model\BatteryModel();
     $thisBatteries = $btr->getBtMacByBatteryId($battery_id);
     if (count($thisBatteries) === 0) {
         $reason = "no this battery_id";
         goto ERR;
     }
     $data = $thisBatteries[0];
     return $this->ok_ajax_return($data);
     ERR:
     $this->error_ajax_return($reason);
     return;
 }